CN104750443A - Display control method and electronic equipment - Google Patents
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- CN104750443A CN104750443A CN201310753252.7A CN201310753252A CN104750443A CN 104750443 A CN104750443 A CN 104750443A CN 201310753252 A CN201310753252 A CN 201310753252A CN 104750443 A CN104750443 A CN 104750443A
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Abstract
The invention discloses a display control method and electronic equipment. The display control method is applied to the electronic equipment with a projection unit. The method includes processing an acquired first image corresponding to the first projection region, and determining a projection plane region from the projection region; acquiring at least one projection parameter used for adjusting the projection unit according to the projection plane region; adjusting the projection unit according to the at least one projection parameter, and allowing the projection unit to output projection images in the projection plane region.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of display control method and electronic equipment.
Background technology
Projector equipment, same to computing machine, VCD, DVD, BD, game machine, DV etc. can be connected and play corresponding vision signal, by image or VIDEO PROJECTION on curtain by different interfaces.In modern live and work, projector equipment is widely used in family, office, school and public place of entertainment, and according to the difference of purposes, the parameter of projector equipment also has difference.
In the prior art, comprise and focus projector equipment and zoom projector equipment, focusing projector equipment is can only to project out the certain clear picture of a width size at a mounting distance, if will adjust projected picture size, must change the distance of projector to projection screen.Compare and focus projector equipment, zoom projector equipment of the prior art, the size of the aperture adjustment projected picture of projector can be adjusted at a mounting distance by remote control or button.
But be no matter of the prior artly focus projector equipment or zoom projector equipment, in order to obtain suitable projected picture and projected position, the position of manually adjustment projector equipment is needed to aim at the projection planes such as projection screen, then the focal length of manual repeatedly tentative adjustment projector equipment, could obtain suitable projected picture.Therefore, there is the technical matters, particularly portable translucent equipment etc. that the projected picture size of projector equipment and projected position can not regulate automatically in prior art to use through diverse location of being everlasting, each use all needs manually to adjust, therefore adjustment process is complicated, and Consumer's Experience is not good enough.
Summary of the invention
The embodiment of the present invention by providing a kind of display control method and electronic equipment, the technical matters that projected picture size and projected position for solving projector equipment in prior art can not regulate automatically.
On the one hand, embodiments provide a kind of display control method, be applied to an electronic equipment, described electronic equipment comprises a projecting cell, and described method comprises:
Process based on to first image corresponding with a view field obtained, from described view field, determine a projection plane region;
According to described projection plane region, obtain at least one projective parameter for adjusting described projecting cell;
Adjust described projecting cell according at least one projective parameter described, in described projection plane region, export projected picture to make described projecting cell.
Preferably, described based on to obtain first image corresponding with a view field process, from described view field, determine a projection plane region, comprising:
Described first image corresponding with described view field is obtained by the image acquisition units of described electronic equipment;
Image procossing is carried out to described first image, to determine described projection plane region from described view field.
Preferably, described according to described projection plane region, obtaining at least one projective parameter for adjusting described projecting cell, comprising:
According to the dimension information in described projection plane region and the range information between described projection plane region and described projecting cell, determine that the projection focal length parameter value of described projecting cell is the first projection focal length.
Preferably, described according to described projection plane region, obtaining at least one projective parameter for adjusting described projecting cell, also comprising:
According to the positional information in the relatively described view field of described projection plane, determine that the projection angle parameter value of described projecting cell is the first projection angle.
Preferably, described in described basis, at least one projective parameter adjusts described projecting cell, to make described projecting cell export projected picture in described projection plane region, is specially:
The described projection focal length parameter value adjusting described projecting cell is described first projection focal length, exports described projected picture to control described projecting cell with described first projection focal length.
Preferably, described in described basis, at least one projective parameter adjusts described projecting cell, to make described projecting cell export projected picture in described projection plane region, is specially:
The described projection angle parameter value adjusting described projecting cell is described first projection angle, and the described projection focal length parameter value adjusting described projecting cell is described first projection focal length, export described projected picture to control described projecting cell with described first projection focal length and described first projection angle.
Preferably, described according to described projection plane region, obtaining at least one projective parameter for adjusting described projecting cell, comprising:
Obtain the image acquisition focal length that described image acquisition units gathers described first image;
Described projection focal length parameter value according to determining described projecting cell is the second projection focal length, wherein F
2for described second projection focal length, F
1for described image acquisition focal length, L
1for the size in described projection plane region, L
2for the size of described view field, k
1, k
2for correction factor.
On the other hand, embodiments provide a kind of electronic equipment, described electronic equipment comprises a projecting cell, and described electronic equipment also comprises:
Determining unit, for processing based on to first image corresponding with a view field obtained, determines a projection plane region from described view field;
Obtaining unit, for according to described projection plane region, obtaining at least one projective parameter for adjusting described projecting cell;
Adjustment unit, for adjusting described projecting cell according at least one projective parameter described, exports projected picture to make described projecting cell in described projection plane region.
Preferably, described determining unit, comprising:
First gathers subelement, obtains described first image corresponding with described view field for the image acquisition units by described electronic equipment;
First process subelement, for carrying out image procossing to described first image, to determine described projection plane region from described view field.
Preferably, described acquisition unit, comprising:
First determines subelement, for according to the dimension information in described projection plane region and the range information between described projection plane region and described projecting cell, determines that the projection focal length parameter value of described projecting cell is the first projection focal length.
Preferably, described acquisition unit, also comprises:
Second determines subelement, for according to the positional information in the relatively described view field of described projection plane, determines that the projection angle parameter value of described projecting cell is the first projection angle.
Preferably, described adjustment unit, specifically for:
The described projection focal length parameter value adjusting described projecting cell is described first projection focal length, exports described projected picture to control described projecting cell with described first projection focal length.
Preferably, described adjustment unit, specifically for:
The described projection angle parameter value adjusting described projecting cell is described first projection angle, and the described projection focal length parameter value adjusting described projecting cell is described first projection focal length, export described projected picture to control described projecting cell with described first projection focal length and described first projection angle.
Preferably, described adjustment unit, comprising:
Second gathers subelement, gathers the image acquisition focal length of described first image for obtaining described image acquisition units;
Second process subelement, the described projection focal length parameter value according to determining described projecting cell is the second projection focal length, wherein F
2for described second projection focal length, F
1for described image acquisition focal length, L
1for the size in described projection plane region, L
2for the size of described view field, k
1, k
2for correction factor.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
In one embodiment of the invention, by processing based on to first image corresponding with a view field obtained, from view field, determine a projection plane region; According to projection plane region, obtain at least one projective parameter for adjusting projecting cell; According at least one projective parameter adjustment projecting cell, in projection plane region, export projected picture to make projecting cell.In the present embodiment, can according to the first image from the information needing the position of projection to determine the projection plane region being applicable to projection, therefore the projection focal length with this projection plane Region Matching can be determined, projection angle etc., the projection focal length of projecting cell then automatically can be changed in real time according to the change of projected position, projection angle etc., achieve the projected picture size that can adjust projector equipment in real time automatically, the technique effect of projected position, therefore, better drop shadow effect can be obtained, decrease user operation simultaneously.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of display control method in the embodiment of the present invention;
Fig. 2 is the display schematic diagram of display control method in one embodiment of the invention;
Fig. 3 is the display schematic diagram of display control method in another embodiment of the present invention;
Fig. 4 is the functional block diagram of electronic equipment in the embodiment of the present invention.
Embodiment
The invention provides a kind of display control method and electronic equipment, the technical matters that projected picture size and projected position for solving projector equipment in prior art can not regulate automatically.
Technical scheme in the embodiment of the present invention is for solving the problems of the technologies described above, and general thought is as follows:
Electronic equipment comprises a projecting cell, processes, determine a projection plane region from view field based on to first image corresponding with a view field obtained; According to projection plane region, obtain at least one projective parameter for adjusting projecting cell; According at least one projective parameter adjustment projecting cell, in projection plane region, export projected picture to make projecting cell.In the present embodiment, can according to the first image from the information needing the position of projection to determine the projection plane region being applicable to projection, therefore the projection focal length with this projection plane Region Matching can be determined, projection angle etc., the projection focal length of projecting cell then automatically can be changed in real time according to the change of projected position, projection angle etc., achieve the projected picture size that can adjust projector equipment in real time automatically, the technique effect of projected position, therefore, better drop shadow effect can be obtained, decrease user operation simultaneously.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Embodiments provide a kind of display control method, be applied in the electronic equipment comprising a projecting cell, such as, portable projector, table viewer, the projector equipments such as fixed installation formula projector, projecting cell can be CRT projecting cell, LCD projecting cell, DLP projecting cell etc., in embodiments of the present invention, the projecting cell in the type of projector equipment and projector equipment is not limited.
With reference to figure 1, display control method comprises the steps:
S101: process based on to first image corresponding with a view field obtained, determine a projection plane region from view field;
S102: according to projection plane region, obtains at least one projective parameter for adjusting projecting cell;
S103: according at least one projective parameter adjustment projecting cell, export projected picture to make projecting cell in projection plane region.
For the ease of the embodiment of the information processing method in the clearer understanding embodiment of the present invention of those skilled in the art, below will be described in detail by concrete example.
Wherein, S101 specifically comprises: step one: obtain first image corresponding with view field by the image acquisition units of electronic equipment.
In specific implementation process, image acquisition units can be and the camera of projecting cell at same position, can be obtained the image of the maximal projection picture of projection unit projects projectable by image acquisition units.Such as, the maximum picture that projecting cell can project is the view field of 160cm × 90cm, the first image that image acquisition units collection is corresponding with the view field of 160cm × 90cm.
Step 2: carry out image procossing to the first image, to determine projection plane region from view field.Specifically, from the first image, identify specific image-region by image recognition algorithm, such as, determine curtain region, maximum planes region etc., image recognition algorithm is specifically as follows image border and identifies, image color identification etc.Such as, need projected picture to be projected on a curtain that wall hangs, then can identify by image border the projection plane region determining curtain place, if need projected picture to be projected in wall-avoiding high leg corner and to hang in the wall plane of the barriers such as picture, then can be identified by image color identification and image border and be combined in maximal projection plane wall being determined projectable.Further, in actual implementation process, according to the difference of electronic equipment place view field, the image recognition algorithm of use is different.
In a first embodiment, shown in figure 2, projecting cell is fixing projection angle relative to projector equipment, therefore, after the position of projector equipment is determined, the projection centre position of projecting cell is fixed position a, and namely view field B is identical with the geometric center of projection plane region C1.Image border identification is carried out to the first image, the maximal projection plane domain C1 that to determine with fixed position a in view field B be projection plane region geometry center, further, the first embodiment, with the maximal projection plane domain C1 determined for projection plane region; Or the second embodiment, self-defined projection plane area size, when the size of the maximal projection plane domain C1 determined is greater than self-defined projection plane area size, projection plane region is for the geometric center in projection plane region and the projection plane region determined for projection plane region with self-defined projection plane area size with fixed position a, when the size of the maximal projection plane domain C1 determined is less than self-defined projection plane area size, projection plane region is defined as maximal projection plane domain.
In the second embodiment, shown in figure 3, projecting cell is flexible connection relative to projector equipment, projection angle consecutive variations can be controlled, therefore, after the projected position of projector equipment is determined, the projection centre position of projecting cell changes can change according to the projection angle of projecting cell, can make the geometric center a of view field B
1with the geometric center a of projection plane region C2
2difference, to obtain larger sized projection plane region.Image border identification is carried out to the first image, or image color identification or and combine, determine with position a in view field B
2for the maximal projection plane domain C2 of geometric center, after determining maximal projection plane domain C2, with reference to the first embodiment in the first embodiment above-mentioned or the second embodiment determination projection plane region.
After execution S101, then perform S102, that is: according to projection plane region, obtain at least one projective parameter for adjusting projecting cell.
In order to obtain at least one projective parameter for adjusting projecting cell, S102 specifically comprises and has following three kinds of embodiments at least, explains respectively below.
The first embodiment, continue to use the first embodiment in above-mentioned S101, after execution step S101, also comprise: according to the dimension information in projection plane region and the range information between projection plane region and projecting cell, determine that the projection focal length parameter value of projecting cell is the first projection focal length.Further, the projection focal length parameter value of adjustment projecting cell is the first projection focal length, exports projected picture to control projecting cell with the first projection focal length.
In actual implementation process, by infrared equidistant sensor, or camera obtains the range information between projection plane region and projecting cell, then according to the range information determination projector distance between projection plane region and projecting cell, the size in the first projection focal length and projection plane region is inversely proportional to, be directly proportional with projector distance, with according to projector distance, the Size calculation in projection plane region goes out the first projection focal length.
The second embodiment, continue to use the second embodiment in above-mentioned S101, after execution step S101, also comprise: according to the dimension information in projection plane region and the range information between projection plane region and projecting cell, determine that the projection focal length parameter value of projecting cell is the first projection focal length; And according to the positional information in the relative view field in projection plane region, determine that the projection angle parameter value of projecting cell is the first projection angle.Further, the projection angle parameter value of adjustment projecting cell is the first projection angle, and the projection focal length parameter value of adjustment projecting cell is the first projection focal length, exports projected picture to control projecting cell with the first projection focal length and the first projection angle.
Specifically, on the one hand, in the first image, determine the position in projection plane region according to image recognition algorithm, calculate the first projection focal length according to the first embodiment in above-mentioned S102.On the other hand, the first projection angle of projecting cell is determined according to the geometric center position a2 in the projection plane region obtained in above-mentioned S101, thus, projecting cell is adjusted to the first projection angle, and first projection focal length, the projected picture exported to make projector equipment, in projection plane region, achieves the effect of Intelligent adjustment projected picture size and projected position, obtains suitable projected picture more fast.
The third embodiment, after performing S101, obtains the image acquisition focal length that image acquisition units gathers the first image; Then according to determining that the projection focal length parameter value of projecting cell is the second projection focal length, wherein F
2be the second projection focal length, F
1for image acquisition focal length, L
1for the size in projection plane region, L
2for the size of view field, k
1, k
2for correction factor.Further, the projection focal length parameter value of adjustment projecting cell is the second projection focal length, to control projecting cell with the second projection focal length and output projected picture, the projected picture exported to make projector equipment, in projection plane region, can obtain suitable projected picture equally more fast.
Based on same inventive concept, the present invention is by still another embodiment provides a kind of electronic equipment comprising a projecting cell, such as, portable projector, table viewer, the projector equipments such as fixed installation formula projector, projecting cell can be CRT projecting cell, LCD projecting cell, DLP projecting cell etc., in embodiments of the present invention, the type of the projecting cell in the type of projector equipment and projector equipment is not limited.
As shown in Figure 4, electronic equipment also comprises following structure:
Determining unit 401, for processing based on to first image corresponding with a view field obtained, determines a projection plane region from view field;
Obtaining unit 402, for according to described projection plane region, obtaining at least one projective parameter for adjusting projecting cell;
Adjustment unit 403, for according at least one projective parameter adjustment projecting cell, exports projected picture to make projecting cell in projection plane region.
Further, determining unit 401, comprising: first gathers subelement, such as camera, obtains first image corresponding with view field for the image acquisition units by electronic equipment; First process subelement, for carrying out image procossing to the first image, to determine projection plane region from view field.
Further, in one embodiment, obtain unit 402, comprising:
First determines subelement, for according to the dimension information in projection plane region and the range information between projection plane region and projecting cell, determines that the projection focal length parameter value of projecting cell is the first projection focal length.
Further, in another embodiment, obtain unit 402, also comprise:
Second determines subelement, for according to the positional information in the relative view field in projection plane region, determines that the projection angle parameter value of projecting cell is the first projection angle.
In one embodiment, adjustment unit 403, specifically for:
The projection focal length parameter value of adjustment projecting cell is the first projection focal length, exports projected picture to control projecting cell with the first projection focal length.
In another embodiment, adjustment unit 403, specifically for:
The projection angle parameter value of adjustment projecting cell is the first projection angle, and the projection focal length parameter value of adjustment projecting cell is the first projection focal length, exports projected picture to control projecting cell with the first projection focal length and the first projection angle.
In another embodiment, adjustment unit 403, comprising:
Second gathers subelement, gathers the image acquisition focal length of the first image for obtaining image acquisition units;
Second process subelement, according to determining that the projection focal length parameter value of projecting cell is the second projection focal length, wherein F
2be the second projection focal length, F
1for image acquisition focal length, L
1for the size in projection plane region, L
2for the size of view field, k
1, k
2for correction factor.
Various variation pattern in display control method in earlier figures 1 embodiment and instantiation are equally applicable to the electronic equipment of the present embodiment, by the aforementioned detailed description to display control method, those skilled in the art clearly can know the implementation method of electronic equipment in the present embodiment, so succinct in order to instructions, be not described in detail in this.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
In one embodiment of the invention, by processing based on to first image corresponding with a view field obtained, from view field, determine a projection plane region; According to projection plane region, obtain at least one projective parameter for adjusting projecting cell; According at least one projective parameter adjustment projecting cell, in projection plane region, export projected picture to make projecting cell.In the present embodiment, can according to the first image from the information needing the position of projection to determine the projection plane region being applicable to projection, therefore the projection focal length with this projection plane Region Matching can be determined, projection angle etc., the projection focal length of projecting cell then automatically can be changed in real time according to the change of projected position, projection angle etc., achieve the projected picture size that can adjust projector equipment in real time automatically, the technique effect of projected position, therefore, better drop shadow effect can be obtained, decrease user operation simultaneously.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory and optical memory etc.) of computer usable program code.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (14)
1. a display control method, is applied to an electronic equipment, and described electronic equipment comprises a projecting cell, and described method comprises:
Process based on to first image corresponding with a view field obtained, from described view field, determine a projection plane region;
According to described projection plane region, obtain at least one projective parameter for adjusting described projecting cell;
Adjust described projecting cell according at least one projective parameter described, in described projection plane region, export projected picture to make described projecting cell.
2. the method for claim 1, is characterized in that, described based on to obtain first image corresponding with a view field process, from described view field, determine a projection plane region, comprising:
Described first image corresponding with described view field is obtained by the image acquisition units of described electronic equipment;
Image procossing is carried out to described first image, to determine described projection plane region from described view field.
3. method as claimed in claim 1 or 2, is characterized in that, described according to described projection plane region, obtaining at least one projective parameter for adjusting described projecting cell, comprising:
According to the dimension information in described projection plane region and the range information between described projection plane region and described projecting cell, determine that the projection focal length parameter value of described projecting cell is the first projection focal length.
4. method as claimed in claim 3, is characterized in that, described according to described projection plane region, obtaining at least one projective parameter for adjusting described projecting cell, also comprising:
According to the positional information in the relatively described view field of described projection plane, determine that the projection angle parameter value of described projecting cell is the first projection angle.
5. method as claimed in claim 3, it is characterized in that, described in described basis, at least one projective parameter adjusts described projecting cell, to make described projecting cell export projected picture in described projection plane region, is specially:
The described projection focal length parameter value adjusting described projecting cell is described first projection focal length, exports described projected picture to control described projecting cell with described first projection focal length.
6. method as claimed in claim 4, it is characterized in that, described in described basis, at least one projective parameter adjusts described projecting cell, to make described projecting cell export projected picture in described projection plane region, is specially:
The described projection angle parameter value adjusting described projecting cell is described first projection angle, and the described projection focal length parameter value adjusting described projecting cell is described first projection focal length, export described projected picture to control described projecting cell with described first projection focal length and described first projection angle.
7. method as claimed in claim 1 or 2, is characterized in that, described according to described projection plane region, obtaining at least one projective parameter for adjusting described projecting cell, comprising:
Obtain the image acquisition focal length that described image acquisition units gathers described first image;
According to
the described projection focal length parameter value determining described projecting cell is the second projection focal length, wherein F
2for described second projection focal length, F
1for described image acquisition focal length, L
1for the size in described projection plane region, L
2for the size of described view field, k
1, k
2for correction factor.
8. an electronic equipment, described electronic equipment comprises a projecting cell, and described electronic equipment also comprises:
Determining unit, for processing based on to first image corresponding with a view field obtained, determines a projection plane region from described view field;
Obtaining unit, for according to described projection plane region, obtaining at least one projective parameter for adjusting described projecting cell;
Adjustment unit, for adjusting described projecting cell according at least one projective parameter described, exports projected picture to make described projecting cell in described projection plane region.
9. electronic equipment as claimed in claim 8, it is characterized in that, described determining unit, comprising:
First gathers subelement, obtains described first image corresponding with described view field for the image acquisition units by described electronic equipment;
First process subelement, for carrying out image procossing to described first image, to determine described projection plane region from described view field.
10. electronic equipment as claimed in claim 8 or 9, it is characterized in that, described acquisition unit, comprising:
First determines subelement, for according to the dimension information in described projection plane region and the range information between described projection plane region and described projecting cell, determines that the projection focal length parameter value of described projecting cell is the first projection focal length.
11. electronic equipments as claimed in claim 10, it is characterized in that, described acquisition unit, also comprises:
Second determines subelement, for according to the positional information in the relatively described view field of described projection plane, determines that the projection angle parameter value of described projecting cell is the first projection angle.
12. electronic equipments as claimed in claim 10, is characterized in that, described adjustment unit, specifically for:
The described projection focal length parameter value adjusting described projecting cell is described first projection focal length, exports described projected picture to control described projecting cell with described first projection focal length.
13. electronic equipments as claimed in claim 11, is characterized in that, described adjustment unit, specifically for:
The described projection angle parameter value adjusting described projecting cell is described first projection angle, and the described projection focal length parameter value adjusting described projecting cell is described first projection focal length, export described projected picture to control described projecting cell with described first projection focal length and described first projection angle.
14. electronic equipments as claimed in claim 8 or 9, it is characterized in that, described adjustment unit, comprising:
Second gathers subelement, gathers the image acquisition focal length of described first image for obtaining described image acquisition units;
Second process subelement, according to
the described projection focal length parameter value determining described projecting cell is the second projection focal length, wherein F
2for described second projection focal length, F
1for described image acquisition focal length, L
1for the size in described projection plane region, L
2for the size of described view field, k
1, k
2for correction factor.
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| CN114630085A (en) * | 2020-12-11 | 2022-06-14 | 宇龙计算机通信科技(深圳)有限公司 | Image projection method, image projection device, storage medium and electronic equipment |
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